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Prepare
All calibrated components should meet the maximum flow requirements.
Please clean the interfaces and joints before installation to effectively avoid bringing dust into the gas path.
Note that the airflow direction and arrows on the product body are pointing correctly, and that the port and thread sizes match.
Pressure Regulation
Pull up the pressure gauge knob and turn:
If you turn clockwise, the pressure will rise steadily. As you turn counterclockwise, the pressure drops.
Stop turning and lock the knob when you reach the desired index, forget this step and you may run into leak problems.
Dial to read
Make sure that the pressure gauge is tightly mounted on the main body, and pay attention to whether the reading rises and falls smoothly when adjusting the pressure.
Drainage
The drainage column is automatically discharged without pressure, and the air flow is closed when passing through. When the water level exceeds the upper limit, it must be drained, otherwise it will lead to poor dehumidification.
The Story Of Right Pneumatic
RIH Pneumatic was established in 2003. The company's main products are: air source processing components, actuators, cylinders, solenoid valves, etc. Our company is constantly improving and improving, with advanced product design, simple structure, beautiful appearance and long service life.
Based on product quality and integrity, we provides users with high-quality products.
1/4" NPT Air Drying System - Double Air Filters, Air Pressure Regulator Combo
Product Description
- Air inlet size: 1/4 NPT
- Flow:500L/minutes
- Max working pressure: 145PSI(10.3BAR)
- Operating Temperature Range: 40-140F(5-60℃)
- Drain type: Manual
- Body material: Aluminum Alloy
- 1 x 3 in 1 1/4'' Air Drying System
- 1 x Pressure gauge
- 1 × Teflon Tape
- 2 × 1/4" × 1/4" NPT Male push to connect fitting
James G.
2025-08-25 14:24:36
I just installed today and have not tested, that comes tomorrow.Interesting, the flow is from left to right and I needed right to left.Each component is sandwiched by an o-ring junction block. This was about swapping the location of the mounting brackets. Easily done but you need three hands to re-assemble it.The only grief or surprise was the pressure gage. The port appears to be 1/4 British Standard pipe. I had to swap the plug from side to side and the gage threaded in and bottomed out. I had a better gage and chased the threads to 1/4" NPT.All good so far. To be updated after use.
Fred
2025-07-12 14:03:07
Excellent Quality, Excellent Product, Excellent Prices and Fast Shipping.
D. Brown
2025-07-08 16:50:56
My initial impression on opening the box for this is that it is significantly smaller than I was expecting for a 3/8 NPT filter set. This is comperable to the smaller filters you would find at your local big-box store, with two particulate / vapor filter bowls, followed by a pressure regulator (pay attention to the flow direction, please, there are small arrows cast into the top to show you which way that is). The build quality seems quite respectable, the threads are well-formed, the powder coat is smooth and nicely done, and the gauge appears of reasonable quality. The filter bowls are plastic inside easily-removable sheet metal enclosures, with semi-automatic drains on the bottom that open under spring tension when the pressure is released. They can be pushed to manually drain if you see any water in the bowl as well. The pressure regulator knob is of the kind you would find on a compressor normally, twist to set, push to lock in the setting. The three segments are connected by wedge links, with O-rings between them. I found this handy, since I have reversed the rear wedge links to turn the mounting arms upwards, instead of the downward orientation they come in to facilitate mounting with a piece of angle iron under a table out of the way. I will be using this to serve as the water and particle trap between my laser's air-assist compressor and the laser itself.Over the course of the week I have been using this trap, I've had a small amount of water trapped in the first bowl, nothing trapped in the second. This corresponds well to the results I've been having with the single-stage Kobalt filter this replaced. I would really like this to have a single particle trap and a secondary desiccant cartridge for additional drying, but I'm not going to complain at all for the price. I have noticed no leaks at all, it seems quite solid, and even comes with some Teflon tape for the joints, and a couple push-connects for flex line if you're using that in your system. Overall, I'd call this a good little filter, although minus one star for being (in my opinion) significantly under-sized for it's connection rating. I will continue to update this as I get more time on it, but so far, I like it!
L.K.
2025-06-23 15:45:14
sort of small but still works well. I use mine only with my plasma cutter.
Claudine
2025-06-11 17:26:08
This product has zero instructions for installation and zero customer service. Product was installed and does not work, I spent hours trying to get customer service assistance with zero communication from RHI or Amazon.
DM
2025-05-24 10:58:13
The Guage threads are to short. Will not tighten. You have to buy a nipple and coupler to make it work. Why it isn't in the box?
Stewart Purvis
2025-05-23 11:25:42
This did better than I expected to. I had a single stage that would let some water through. I didn't want that this time since I was using Urethane paint. I put this inline and it took all the water out, it really surprised me.
BURNS B
2025-05-01 12:48:32
This is a very compact unit but delivers exceptional performance. No moisture came with all required hardware. No leaking at all. This will save your tool and help with any paint job you are doing.
Normand G
2025-04-01 14:30:52
Highly recommended. Easy to install, does the work it was designed for
Ronnie McSween
2025-03-29 13:02:38
Very nice set up but you need 1/4 inch male fittings to install into regulator!
H Taylor
2025-03-12 15:18:27
Smaller than expected, but works ok.
Customer
2025-02-10 17:16:07
Mounted it to the wall and ran air lines, went to install the pressure gauge and the gauge hits the body of the regulator before the gauge is tight. Went and got a coupler to extend the gauge away from the regulator body only to find that after airing up the system the pressure gauge leaks air out the face. Replaced the gauge with a new one and after 3 weeks of use it collects no water and I still have water coming out of my air line. Lesson learnt, ordered a brand name more costly replacement and it has been great.
Pierre Mercier
2024-12-07 21:27:51
Parfait
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